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package Listeners;

import javax.faces.application.NavigationHandler;
import javax.faces.component.UIViewRoot;
import javax.faces.context.FacesContext;
import javax.faces.event.PhaseEvent;
import javax.faces.event.PhaseId;
import javax.faces.event.PhaseListener;
import javax.servlet.http.HttpSession;

/**
 *
 * @author Yessy
 */
public class ValidarSesion implements PhaseListener{

    @Override
    public void afterPhase(PhaseEvent event) {
        FacesContext fc= event.getFacesContext();
       UIViewRoot viewRoot=fc.getViewRoot();
       if(viewRoot !=null && !viewRoot.getViewId().equalsIgnoreCase("/Login.xhtml")){
           HttpSession session=(HttpSession) fc.getExternalContext().getSession(false);
           if(session==null || session.getAttribute("USUARIO_LOGUEADO")==null){
               NavigationHandler nh=fc.getApplication().getNavigationHandler();
               nh.handleNavigation(fc, null, "pagina2");
               fc.renderResponse();
       
       }

       }
    }

    @Override
    public void beforePhase(PhaseEvent event) {
    
    }

    @Override
    public PhaseId getPhaseId() {
         return PhaseId.RESTORE_VIEW;
    }
    
}
